Patents by Inventor Mauri Makela

Mauri Makela has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4897472
    Abstract: This invention provides a simple and efficient technique for isolating and purifying alpha-, beta- and especially gamma-cyclodextrins, and also their chemical derivatives. The isolation of different cyclodextrin subforms is based on the use of specially designed macromolecular adsorbents. These adsorbents contain covalently bound ligands which are of suitable size to penetrate the internal cavity of the cyclodextrin molecules and form specific inclusion complexes with cyclodextrins. By means of this invention it is also possible to increase the proportion of any of the cyclodextrin subforms or its chemical derivative by removing the corresponding cyclodextrin subform with a specific sorbent.
    Type: Grant
    Filed: May 12, 1988
    Date of Patent: January 30, 1990
    Assignee: Oy Alko Ab
    Inventors: Timo Korpela, Simo Laakso, Mauri Makela